//
//  NSObject+CurrentCtrl.m
//  ProgressReportProject
//
//  Created by apple on 2018/4/2.
//  Copyright © 2018年 铁科院. All rights reserved.
//

#import "NSObject+CurrentCtrl.h"

@implementation NSObject (CurrentCtrl)
+ (UIViewController *)currentViewCtrl{
    UIViewController *result = nil;
    
    UIWindow *window = [[UIApplication sharedApplication] keyWindow];
    if (window.windowLevel != UIWindowLevelNormal) {
        NSArray *windows = [[UIApplication sharedApplication] windows];
        for (UIWindow *tmpWin in windows) {
            if (tmpWin.windowLevel == UIWindowLevelNormal) {
                window = tmpWin;
                break;
            }
        }
    }
    UIView *frontView = [[window subviews] objectAtIndex:0];
    id nextResponder = [frontView nextResponder];
    if ([nextResponder isKindOfClass:[UIViewController class]]) {
        result = nextResponder;
    }else{
        result = window.rootViewController;
    }
    return  result;
}

@end
